121210222121202 has 8 divisors (see below), whose sum is σ = 242420444242416. Its totient is φ = 40403407373732.

The previous prime is 121210222121179. The next prime is 121210222121323. The reversal of 121210222121202 is 202121222012121.

It is a sphenic number, since it is the product of 3 distinct primes.

121210222121202 is an admirable number.

It is a super-2 number, since 2×121210222121202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10100851843428 + ... + 10100851843439.

It is an arithmetic number, because the mean of its divisors is an integer number (30302555530302).

Almost surely, 2^{121210222121202} is an apocalyptic number.

121210222121202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121210222121202 is a wasteful number, since it uses less digits than its factorization.

121210222121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20201703686872.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121210222121202 its reverse (202121222012121), we get a palindrome (323331444133323).

The spelling of 121210222121202 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred two".